26720265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12457}}^1$

素因数の和:12489

約数の個数: 32

約数和(自身を含む): 50230656

約数和(自身を除く): 23510391

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 12457, 37371, 62285, 137027, 161941, 186855, 411081, 485823, 685135, 809705, 1781351, 2055405, 2429115, 5344053, 8906755, 26720265]

約数ペア:

[(1, 26720265), (3, 8906755), (5, 5344053), (11, 2429115), (13, 2055405), (15, 1781351), (33, 809705), (39, 685135), (55, 485823), (65, 411081), (143, 186855), (165, 161941), (195, 137027), (429, 62285), (715, 37371), (2145, 12457)]